Inventor
HARTNACK HERBERT
DE7 patents
⚠️ This page may combine multiple inventors who share the name “HARTNACK HERBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIEMENS AG
5 patentsUS6849351B2Feb 1, 2005
Low-temperature fuel cell
SIEMENS AG25 citations91
US6955862B2Oct 18, 2005
Fuel cell block
SIEMENS AG8 citations72
US7862955B2Jan 4, 2011
Electrolytic cell or fuel cell with pressure pads and improved transfer resistance
SIEMENS AG2 citations61
US7314676B2Jan 1, 2008
Fuel-cell stack
SIEMENS AG3 citations61
US7800003B2Sep 21, 2010
Insulator with enhanced insulating capacity
SIEMENS AG0 citations47